Step 1 > Download
Download barcode font downlaod, save the zip somewhere on your hard disk
Step 2 > Extract
Go to the place where it is saved, double-click on the zip to open it, then either click on "Extract all files" or drag and drop the files elsewhere from the zip window
Step 3 > Install Font
- Under Windows 8/7/Vista
Select the font files (.ttf, .otf or .fon) then Right-click > Install - Under any version of Windows
Place the font files (.ttf, .otf or .fon) into the Fonts folder, usually C:\Windows\Fonts or C:\WINNT\Fonts
(can be reached as well by the Start Menu > Control Panel > Appearance and Themes > Fonts).